Base | Representation |
---|---|
bin | 1001000011101010… |
… | …1110000101100000 |
3 | 20021102221110100220 |
4 | 2100322232011200 |
5 | 14434403442344 |
6 | 1041131243040 |
7 | 114151545555 |
oct | 22072560540 |
9 | 6242843326 |
10 | 2431312224 |
11 | 1038459950 |
12 | 57a2a9480 |
13 | 2c992ccb3 |
14 | 190c90a2c |
15 | e36adc19 |
hex | 90eae160 |
2431312224 has 48 divisors (see below), whose sum is σ = 6962397120. Its totient is φ = 736760960.
The previous prime is 2431312207. The next prime is 2431312229. The reversal of 2431312224 is 4222131342.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×24313122242 = 11822558261143652352, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 2431312194 and 2431312203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2431312229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150134 + ... + 1152245.
It is an arithmetic number, because the mean of its divisors is an integer number (145049940).
Almost surely, 22431312224 is an apocalyptic number.
2431312224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2431312224 is an abundant number, since it is smaller than the sum of its proper divisors (4531084896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2431312224 is a wasteful number, since it uses less digits than its factorization.
2431312224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2302403 (or 2302395 counting only the distinct ones).
The product of its digits is 2304, while the sum is 24.
The square root of 2431312224 is about 49308.3382806600. The cubic root of 2431312224 is about 1344.6633807018.
Adding to 2431312224 its reverse (4222131342), we get a palindrome (6653443566).
The spelling of 2431312224 in words is "two billion, four hundred thirty-one million, three hundred twelve thousand, two hundred twenty-four".
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